| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ENQUEST DONS LIMITED | 03351775 | 10/05/2004 | 05/04/2010 | Dissolved |
| GATEWAY STORAGE COMPANY LIMITED | SC295137 | 06/01/2011 | 03/01/2012 | Dissolved |
| INTEROCEAN GROUP SERVICES LIMITED | SC484003 | 01/01/2020 | 30/06/2021 | Amber |
| INTEROCEAN MARINE SERVICES LIMITED | SC330887 | 01/01/2020 | 30/06/2021 | One Red Flag |
| ITHACA ENERGY DEVELOPMENTS UK LIMITED | 07105041 | 15/12/2009 | 11/12/2018 | Bronze |
| LIONEL MIDCO LIMITED | SC483981 | 01/01/2020 | 30/06/2021 | One Red Flag |
| OSBIT LIMITED | 04091038 | 10/09/2021 | 16/10/2023 | Silver |
| PETROFAC (MALAYSIA-PM 304) LIMITED | 03418736 | 31/12/2008 | 31/12/2019 | Amber |
| PETROFAC CONTRACTING LIMITED | 05676743 | 24/01/2006 | 06/01/2009 | Strike Off |
| PETROFAC ENGINEERING LIMITED | 02615887 | 02/08/2004 | 06/01/2009 | One Red Flag |
| RIGMAR GROUP (HOLDINGS) LIMITED | SC483951 | 01/01/2020 | 30/06/2021 | One Red Flag |
| RIGMAR SERVICES LIMITED | SC327164 | 01/01/2020 | 30/06/2021 | One Red Flag |
| TORMEAD LIMITED | 00485947 | 26/04/2010 | 31/01/2022 | Gold |
| VENTERRA GROUP PLC | 13344064 | 19/04/2021 | 16/10/2023 | Silver |
| VENTERRA LIMITED | 13309581 | 28/05/2021 | 16/10/2023 | Amber |